Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Gallformers ID Notes
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Subtle cells barely protruding along the midrib and petiole of Quercus engelmannii, turning brown after emergence.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-engelmannii-midrib-cell on iNaturalist. You can view them here: